JP2017094043A - Connecting device of stand with wheels for wheelchair - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connecting device for a wheelchair which can be contracted in a small size when not in use and be extended to connect a stand with wheels when in use.SOLUTION: A connecting device for a wheelchair comprises: a body part 11; an extension arm part 12 connected to the rear of the body part 11; and a stand fixing part 13 connected to the rear of the extension arm 12. The body part 11 is formed of a frame body having a substantially rectangular shape in a side view, a pair of upper and lower fixing means 14, 14 are provided in a vertical frame in front of the body part, and the body part is connected and fixed to a frame F on the back side of a wheelchair K. The extension arm part 12 is composed of a frame body having a link mechanism with a substantially diamond shape in the side view, and extends and contracts in a front-rear direction. A front end of the extension arm part 12 is fixed to the body part 11, and the stand fixing part 13 is fixed to a rear end thereof. The stand fixing part 13 is formed of a frame body extending vertically, provided with a pair of fixing parts 16, 16 above and below it, and connected and fixed to a post part P of an infusion stand S.SELECTED DRAWING: Figure 1

Description

  The present invention attaches and fixes to a wheelchair a stand (post) with casters (wheels) that can be equipped with various infusions and medical equipment such as an infusion stand that can suspend an infusion and can be equipped with a syringe pump, and an oxygen cylinder stand. The present invention relates to a connecting device.

Examples of conventional connecting devices for this type of wheeled stand include those described in the following patent documents.
The oxygen cylinder stand for wheelchairs described in Patent Document 1 below is an instrument for attaching an oxygen cylinder to a wheelchair when the patient moves with the wheelchair while receiving oxygen inhalation. Conventionally, the method of directly attaching the cylinder basket body directly to the wheelchair has been common, but when a few wheelchairs for which the cylinder basket is prepared have a problem, the movement is hindered and inconvenient. In addition, since the weight of the cylinder is entirely applied to the wheelchair body, depending on the mounting position and angle, there is a risk of flipping backwards when the patient is not riding, so such problems can be solved, and safe and removable A simple wheelchair oxygen cylinder stand is provided.

  The configuration is such that a free caster is attached to the bottom of the oxygen cylinder basket so that the weight of the cylinder is not applied to the wheelchair. Provided, the height of the fixing bracket can be changed according to the size of the wheelchair, and can be easily removed.

The tow device for a wheeled stand described in Patent Document 2 below is for preventing the wheeled stand from falling when the stand is towed by a wheelchair, for example.
The structure fixes a tow side fixing member to a wheelchair, fixes a towed side fixing member to the pole of the stand, and connects both members via a connecting member (connecting bracket).
In the connecting portion of the connecting member with both members, the connecting member can be rotated with one degree of freedom around the axle of the wheelchair and is restricted to a predetermined rotation range.
The connecting member does not bend in the turning direction when turning, and the wheeled stand can be prevented from tilting in the turning direction. On the other hand, since the stand with wheels can move up and down, the stand with wheels can be pulled without any problem.

The mobile infusion stand described in Patent Document 3 below provides a mobile infusion stand that is safe and easy to walk, and that can be safely, promptly, and flexibly connected to a wheelchair patient. .
In order to make the base of the mobile drip stand easy to walk, the configuration is open on the front side in plan view, and a plurality of movable casters are provided on the bottom so that it can be connected to a wheelchair. A joint metal fitting is provided on the lower part of the fixed drip stand or the base part of the drip stand so that the height can be adjusted, so that it can be freely loosely engaged with the footrest of the wheelchair.

JP 2006-346411 A JP 2009-142407 A Republished 2012-70260

  In the present invention, a wheelchair user who holds a wheeled stand such as an infusion stand equipped with various medical devices is held with one hand and the extremely difficult work of rotating the wheelchair wheel with the other hand is eliminated. Is its primary purpose.

  That is, in the case of a simple drip stand, the drip stand can be easily rolled with one hand while riding in a wheelchair, but some medical devices have a considerable weight, and in the case of such a heavy stand This is because the work of holding the stand and rolling the wheelchair or getting into an elevator or the like becomes extremely difficult.

  Therefore, in the present invention, there is no need to hold such a heavy wheeled stand with one hand, and a connecting device is mounted on a vertical frame on the back of the wheelchair, for example, and the stand is attached to the connecting device. The first problem is to provide a connecting device that can be connected and fixed.

  On the other hand, the connecting device can be left attached to the wheelchair so that when it is necessary to use a wheeled stand, the stand can be easily connected. Another problem is that the connecting device does not get in the way when not in use.

  In addition, even if the weight of the wheeled stand is heavy, the problem is that the weight of the stand is not directly applied to the wheelchair after the stand is connected, or the connected stand does not fall down. .

  In order to solve the above-mentioned problems, a first aspect of the present invention is a connecting device for attaching and fixing a wheeled stand that can be equipped with an infusion solution or a medical device to a wheelchair, and a main body portion and a rear portion of the main body portion. It comprises a connected connecting arm part and a stand fixing part for fixing a support column part of the wheeled stand connected to the rear of the connecting arm part, and one frame on the rear side of the wheelchair at the front part of the main body part. The connecting arm portion can be expanded and contracted in the front-rear direction and / or bendable at the middle portion thereof, and the stand fixing portion connected to the rear portion of the connecting arm portion is a post of the drip stand. It is the connection apparatus of the wheeled stand for wheelchairs characterized by connecting and fixing to a part. In addition, in the said invention, the front and back mean the direction where the face is facing, when a patient sits down on a wheelchair, and the opposite direction means back.

  According to a second aspect of the present invention, there is provided a wheeled stand coupling device for a wheelchair characterized in that, in the first aspect, the coupling arm portion is composed of a telescopic arm portion that expands and contracts in the front-rear direction.

  According to a third aspect of the present invention, there is provided a wheeled stand coupling device for a wheelchair characterized in that, in the first invention, the coupling arm portion comprises a bent arm portion bent in a horizontal direction.

  According to a fourth aspect of the present invention, there is provided a wheelchair wheel according to the first aspect, wherein the connecting arm portion includes an extendable arm portion that expands and contracts in the front-rear direction and a bent arm portion that bends in the horizontal direction. It is a connection device of a stand with a pad.

  According to a fifth aspect of the present invention, in the second aspect of the invention, the main body is connected and fixed to one longitudinal frame on the back side of the wheelchair, and the main body is composed of a frame having a substantially rectangular shape in side view. The front vertical frame is provided with at least a pair of upper and lower fixing means, and is fixed to the one frame in the vertical direction by these fixing means, and the extendable arm part is extendable in the front-rear direction. The front end of the telescopic arm part is connected to the rear vertical frame of the main body part, and the stand fixing part consisting of a frame body extending vertically is connected to the rear end of the telescopic arm part. It is a connecting device for a wheeled stand for wheelchairs, characterized in that at least a pair of upper and lower fixing portions is provided in the wheelchair.

  According to a sixth aspect of the present invention, in the fifth aspect of the present invention, the pair of upper and lower fixing means provided at the front end of the main body is connected to the main body by a screw rod, whereby the tightening position of the screw rod is determined. It is a connecting device for a wheeled stand for a wheelchair characterized in that the vertical frame of the main body can be fixed in a substantially vertical state by changing.

  According to a seventh aspect of the present invention, in the second, fifth or sixth aspect of the invention, the stand fixing portion connected to the rear end of the telescopic arm portion is rotatably provided and fixed at the connecting portion. It is the connection apparatus of the wheeled stand for wheelchairs characterized by the above-mentioned.

  According to an eighth aspect of the present invention, in any one of the above-described inventions, the main body can be attached and fixed to the longitudinal one frame on the back side of the wheelchair so that the fixing position can be changed. It is a connecting device.

  According to a ninth aspect of the present invention, in any one of the first to fourth aspects, the main body portion is composed of a single frame body or bar body extending vertically. Wheeled stand coupling device

In the first embodiment of the present invention, the connecting device can be always left on the wheelchair, and various wheeled stands can be connected and fixed when necessary.
And when not in use, that is, when the stand with wheels is not connected, the connecting arm part connected to the rear of the main body part is contracted forward or bent in the horizontal direction to make it smaller or folded in the horizontal direction. Can be kept out of the way when not in use.

  The 2nd thing of this invention is materializing the said connection arm part, The thing which employ | adopted the expansion-contraction arm part which expands-contracts back and forth as the connection arm part is specified. The effect is the same as that of the first invention.

  According to a third aspect of the present invention, the above-described connecting arm portion is embodied, and a connecting arm portion that uses a bent arm portion that bends in the horizontal direction is specified. The effect is the same as that of the first invention.

  The fourth aspect of the present invention embodies the above-described connecting arm portion, and specifies that the connecting arm portion employs both an extendable arm portion that expands and contracts forward and backward and a bent arm portion that bends horizontally. doing. The effect is the same as that of the first invention.

In the fifth aspect of the present invention, the constituent elements of the present invention are further specified, and the structure for fixing to a wheelchair or a wheeled stand is limited.
That is, the main body portion is composed of a frame body having a substantially rectangular shape when viewed from the side, and at least a pair of upper and lower fixing means is provided on the front vertical frame so as to be fixed to one longitudinal frame on the back side of the wheelchair. It consists of a frame that has a link mechanism that has a roughly rhombic shape when viewed from the side, and can be expanded and contracted in the front and rear. The front end of this extendable arm is connected to the rear vertical frame of the main body, and the rear end of the extendable arm A stand fixing portion composed of a frame extending vertically is provided, and at least a pair of upper and lower connecting tools are provided on the stand fixing portion so as to be connected and fixed to the stand with wheels.
Thus, when using the connecting device according to the present invention, the extendable arm portion is extended rearward and connected and fixed to the wheeled stand so that the stand can be connected and fixed to the wheelchair in a stable and reliable manner with both hands. The wheelchair can be operated and driven.

According to a sixth aspect of the present invention, in the fifth aspect of the present invention, a pair of upper and lower fixing means provided at the front end of the main body is connected to the main body by screw bars, whereby the upper and lower screws are connected. By appropriately changing the fastening position of the rod, the vertical frame of the main body can be fixed in a substantially vertical state.
Accordingly, the rear vertical frame of the main body portion is also in a substantially vertical state, and the telescopic arm portion is also extended substantially horizontally toward the rear.

According to a seventh aspect of the present invention, the stand fixing portion connected to the rear end of the telescopic arm portion is rotatably provided and fixed at the connecting portion. Thus, it can be appropriately connected and fixed to the column portion extending in the substantially vertical direction of the stand with wheels by the stand fixing portion.
Alternatively, even when the support column part is slightly inclined, the inclination can be absorbed by the shaft attachment part.

  In the eighth aspect of the present invention, the main body portion can be fixedly attached to a longitudinal one frame on the back side of the wheelchair so that the fixing position can be changed, and the vertical position of the longitudinal one frame of the wheelchair. It can be attached easily by changing.

  According to a ninth aspect of the present invention, in the first to fourth aspects of the present invention, it is specified that the main body portion can be formed from one frame body or rod body extending vertically. The effect is the same as the above invention.

It is explanatory drawing which shows the state which fixed the 1st Embodiment of the connection device which concerns on this invention to a wheelchair, and connected and fixed the drip stand. It is explanatory drawing which looked at the coupling device which concerns on the said 1st Embodiment from the opposite side of FIG. It is explanatory drawing which shows the non-use state of the coupling device which concerns on the said 1st Embodiment. It is a side view of the connecting device concerning the 1st embodiment of the above. It is a side view of 2nd Embodiment of the coupling device which concerns on this invention. It is a side view of 3rd Embodiment of the coupling device which concerns on this invention. It is a side view of 4th Embodiment of the coupling device which concerns on this invention. It is a side view of 5th Embodiment of the coupling device which concerns on this invention.

Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.
FIG. 1 is an explanatory view showing a state in which an embodiment of a connecting device according to the present invention is fixed to a wheelchair and an infusion stand is connected and fixed.
FIG. 2 is an explanatory view of the coupling device according to the embodiment as viewed from the opposite side of FIG.

In these drawings, the connecting device 10 according to the present invention is fixed to one frame F on the left side which is arranged in the vertical direction on the back side of the wheelchair K.
The connecting device 10 includes a main body portion 11 formed from a frame body having a substantially rectangular shape in side view, an extendable arm portion 12 connected and fixed to a vertical frame behind the main body portion 11, and the extendable arm portion 12. It consists of the stand fixing | fixed part 13 connected and fixed to the rear end. All materials are metal.

The body portion 11 having a substantially rectangular shape when viewed from the side is provided with a pair of fixing means 14 and 14 above and below a front vertical frame, and is fixed to one vertical frame F on the back side of the wheelchair K.
A screw rod 15 extends rearward from each of the fixing means 14, and the screw rods 15, 15 are connected and fixed to the front vertical frame of the main body 11.

  Although the main body 11 can be connected and fixed by the screw rods 15 and 15, the frame F of the wheelchair K is not vertical but inclined, so that the fastening position of the screw rod 15 is appropriately changed, The vertical frame of the main body 11 can be fixed in a substantially vertical state.

The telescopic arm 12 is connected and fixed to a vertical frame on the rear side of the main body 11.
The telescopic arm portion 12 is configured such that four frame members are connected to each other in a substantially rhombus shape in a side view to form a link mechanism, and is extendable in the front-rear direction.
That is, when not in use, the length of the telescopic arm portion 12 in the front-rear direction can be minimized by contracting in the forward direction so as not to get in the way.
That is, the connecting device 10 can be always mounted on the wheelchair K.

A stand fixing portion 13 is provided at the rear end of the telescopic arm portion 12.
The stand fixing portion 13 is composed of a single plate frame that is long on the top and bottom, and clamp-type fixing portions 16 are provided at the upper and lower ends thereof.
These fixing parts 16 and 16 are fixed at two places above and below the column part P of the drip stand S.

Thus, the connecting device 10 according to the present invention can be used while being connected and fixed to one frame F of the wheelchair K, and when not in use, the telescopic arm 12 is contracted forward and used. In this case, the telescopic arm 12 can be extended rearward and connected to and fixed to the column P of the drip stand S by a pair of upper and lower fixing parts 16 and 16 of the stand fixing part 13.
Thus, the wheelchair K user can operate the wheelchair K with both hands and move together with the drip stand S.

FIG. 3 is an explanatory diagram showing a non-use state of the coupling device according to the embodiment.
In this figure, the telescopic arm 12 of the connecting device 10 according to the above embodiment is shown in a contracted state (in the direction of arrow D), and shows a state when the connecting device 10 is not used. It is.

As can be seen from this figure, the telescopic arm portion 12 has four frames that are pivotally attached to each other, and a link mechanism is configured so as to rotate at the respective pivoting points, and the substantially rhombus shape in side view is crushed to the left and right. Indicates the state.
The front end of the telescopic arm part 12 is fixed to the center part of the rear vertical frame 11u of the main body part 11, and the rear end is fixed to the center part of the stand fixing part 13 extending vertically.

Fixing portions 16 and 16 are respectively provided at the upper end portion and the lower end portion of the stand fixing portion 13, and the fixing portion 16 uses a buckle type that can be fixed in a one-touch manner.
This buckle-type fixing part is a substantially cylindrical one having an opening, and the support part of the drip stand is inserted and held inside from this opening, and then the ring-shaped part is hooked on the groove part to raise the standing part. Can be tightened and fixed.

3, the upper and lower ends of the vertical frame 11m on the front side of the main body 11 are connected and fixed by screw rods 15 and 15.
These screw rods 15 and 15 are extended from the fixing means 14 and 14. These screw rods 15 and 15 are inserted into the screw insertion holes of the vertical frame 11m, and nuts are inserted from both sides of the vertical frame 11m with nuts. It can be fastened and fixed.

When fastening with the nut, the vertical frames 11m and 11u of the main body 11 can be fixed in a substantially vertical state by appropriately adjusting the fastening position.
This is because these fixing means 14 and 14 are fixed to one vertical frame F on the back side of the wheelchair K, and if this frame F is of a normal type, it is inclined slightly. In consideration of this inclination, the vertical frames 11m and 11u of the main body 11 can be fixed in a substantially vertical state by setting the screw rod 15 of the lower fixing means 14 to be longer and fixed. .

The fixing means 14 used here is generally U-shaped in a plan view, and adopts a type that can be fitted to the frame F from the opening side and screwed and fixed by screws. Any type of fixing means can be used as long as it can be attached and fixed to a conventional tube.
The point is that any screw rod that extends backward from the fixing means can be used.

FIG. 4 is a side view of the coupling device according to the embodiment.
The coupling device 10 according to the present invention includes a main body part 11, an extendable arm part 12, and a stand fixing part 13. A pair of fixing means 14, 14 are provided at the upper end and lower end of a vertical frame 11m on the front side of the main body part 11. A screw rod 15 extends rearward from the fixing means 14, and the pair of screw rods 15 and 15 and a vertical frame 11m in front of the main body 11 are connected and fixed by a nut.
The fixing means 14, 14 are fixed to a vertical frame F at the rear of the wheelchair.

A front end of the telescopic arm portion 12 is connected and fixed to a substantially central portion of the vertical frame 11 u behind the main body portion 11, and a rear end thereof is connected and fixed to a substantially central portion of the stand fixing portion 13.
The telescopic arm portion 12 can be pivoted in the front-rear direction by forming a link mechanism by pivotally attaching four frames.

The stand fixing portion 13 fixed to the rear end of the telescopic arm portion 12 is provided with a pair of fixing portions 16 and 16 at the upper end portion and the lower end portion thereof, and these fixing portions 16 and 16 are attached to the support column portion P of the drip stand. Can be connected and fixed.
The state of FIG. 4 illustrates a state in which the telescopic arm portion 12 is contracted forward, and is a state in which a wheeled stand such as an infusion stand is not used. (In FIG. 4, the support column P of the stand is intentionally illustrated to show the relationship with the coupling device 10.)

FIG. 5 is a side view of the second embodiment of the coupling device according to the present invention.
The coupling device 2 according to the second embodiment shown in this figure is fixed to a single frame F arranged in the vertical direction on the back side of the wheelchair, as in the first embodiment.
In the coupling device 2, the main body 11 is formed from a single frame, unlike the first embodiment.

The main body 11 composed of this single frame is arranged vertically in the longitudinal direction, and is fixed to the frame F of the wheelchair by two screw rods 15 on the front side.
A bent arm portion 20 is connected and fixed to the rear side of the main body portion 11, and a stand fixing portion 13 is connected and fixed to the rear end of the bent arm portion 20.
Accordingly, the bent arm portion 20 becomes a connecting arm portion. All the constituent members are made of metal.

The main body portion 11 composed of the one frame is fixed to one vertical frame F on the back side of the wheelchair by fixing means 14 and 14 via a pair of upper and lower screw rods 15 and 15 on the front side.
In other words, the screw rods 15, 15 extend backward from the fixing means 14, 14, respectively, and the screw rods 15, 15 are connected to the main body portion 11 and fixed by the nut member.

The main body 11 is connected and fixed by the screw rods 15, 15. However, since the frame F of the wheelchair is not vertical but inclined, the fastening position of the screw rod 15 is appropriately changed to The part 11 can be fixed in a substantially vertical state.
The fixing means 14 also has a configuration in which the screw rod 15 extends in a substantially horizontal state.

A bent arm portion 20 is connected and fixed to the rear side of the main body portion 11.
The bent arm portion 20 becomes a connecting arm portion, and the bent arm portion 20 is composed of two arm portions in the front-rear direction. The front arm portion 21 on the front side and the rear arm portion 22 on the rear side are mutually connected. The rear arm portion 22 is pivoted to the surface side of the paper with the pivoting portion 23 as the pivot center.
That is, the rear arm portion 22 is rotated in a substantially horizontal plane.

A stand fixing portion 13 is fixed to the rear end of the rear arm portion 22, and when the rear arm portion 22 rotates to the front side in the drawing, the stand fixing portion 13 moves to the front side in the drawing. In other words, the bent arm portion 20 is bent along the pivot portion 23 by rotating along the backrest side of the wheelchair.
That is, when not in use, the rear arm portion 22 and the stand fixing portion 13 of the bent arm portion 20 can be folded at the portion of the shaft attachment portion 23 of the rear arm portion 22 and can be folded behind the backrest of the wheelchair. , You can keep out of the way.

As described above, the stand fixing portion 13 is provided at the rear end of the bent arm portion 20, and this stand fixing portion 13 is the same as that in the first embodiment, and has a plate shape that is long in one vertical direction. The clamp type fixing portions 16 are provided at the upper and lower ends of the frame.
These fixing parts 16 and 16 fix the upper and lower two places of the support column part P of the drip stand.

  In this way, the connecting device 2 according to the second embodiment of the present invention can be used while being connected and fixed to one frame F of the wheelchair. When not in use, the bending arm portion 20 is bent (bending). In use, the bent arm portion 20 is rotated rearward and extended rearward, and a pair of upper and lower fixing portions 16 of the stand fixing portion 13 is attached to the column portion P of the drip stand S. 16 can be connected and fixed.

In the second embodiment, a handle 24 is provided at the upper end portion of the stand fixing portion 13, and the rear arm portion 22 of the bent arm portion 20 can be rotated by gripping the handle 24 by hand. .
Further, a locking knob 25 for locking the rotation of the rear arm portion 22 is provided at the upper end portion of the shaft mounting portion 23 of the bending arm portion 20, and the locking knob 25 is operated by rotating. A structure in which the rotation of the rear arm portion 22 is stopped is adopted.

FIG. 6 is a side view of the third embodiment of the coupling device according to the present invention.
The connecting device 3 is obtained by adding the telescopic arm portion 12 to the second embodiment, and other configurations are the same as those of the second embodiment.
That is, it comprises a main body 11, a telescopic arm part 12 behind it, a bent arm part 20 behind it, and a stand fixing part 13 behind it.

In other words, in the third embodiment, the connecting arm portion is composed of the telescopic arm portion 12 and the bent arm portion 20.
This telescopic arm portion 12 is used in the first embodiment, and is configured to be able to expand and contract in the front-rear direction by connecting four frame members to a substantially rhombus in side view to form a link mechanism. .
That is, when not in use, the length of the telescopic arm portion 12 in the front-rear direction can be minimized by contracting in the forward direction so as not to get in the way.

  Furthermore, in the third embodiment, since the bent arm portion 20 is connected and fixed to the rear of the telescopic arm portion 12, the bent arm portion 22 of the connecting device 3 is folded to the backrest side of the wheelchair. You can leave.

FIG. 7 is a side view of the fourth embodiment of the coupling device according to the present invention.
The connecting device 4 according to the fourth embodiment has the same basic configuration as that of the second embodiment, but the configuration of the stand fixing portion 13 is different from that of the second embodiment.
The whole structure consists of the main-body part 11, the bending arm part 20 fixed to the back, and the stand fixing | fixed part 13 fixed to the back.

  That is, the bent arm portion 20 is connected and fixed to the rear side of the main body portion 11 made of one frame, and the stand fixing portion 13 is connected and fixed to the rear end portion of the bent arm portion 20. The structure of the stand fixing portion 13 itself is different from that of the second embodiment.

  Although it is difficult to determine the structure of the stand fixing part 13 from the figure, the point that the fixing parts 16 and 16 for fixing the support column part P of the stand are provided above and below the left side edge part of the stand is described above. Although it is the same as a form, it can be converged by pinching the support | pillar part P firmly by rotating the lock lever 35 which this fixing | fixed part 16 and 16 appear in the center part counterclockwise, and making it face downward. The configuration is adopted.

  When the lock lever 35 is returned to the original position (the position shown in FIG. 7), the support of the support P is released and the coil springs disposed in the horizontal frames 31 and 32 positioned above and below the stand fixing part 13 are pulled back. The holding of the support column P of the stand is released by the action.

The handle part 34 provided at the center of the left side of the stand fixing part 13 is used when the support part P is disposed on the fixing parts 16, 16. By hooking the other four fingers on the handle portion 34 and pulling them toward each other, the strut portion P is fitted into the fixing portions 16 and 16 very conveniently.
Other configurations are the same as those of the second embodiment.

FIG. 8 is a side view of the fifth embodiment of the coupling device according to the present invention.
The connecting device 5 according to the fifth embodiment includes a main body 11, a telescopic arm 12 at the rear, a bent arm 20 at the rear, and a stand fixing part 13 at the rear. A telescopic arm 12 is added to the configuration.

That is, the front end of the extendable arm portion 12 is connected and fixed to the main body portion 11, and the bent arm portion 20 is connected and fixed to the rear end of the extendable arm portion 12.
The structure of the stand fixing part 13 is also the same as that of the fourth embodiment. Other configurations are the same as those in the fourth embodiment.

As mentioned above, although 5 embodiment of this invention was described, in this invention, there exists one characteristic in the connection arm part of the connection apparatus.
That is, by using either one or both of the telescopic arm part that expands and contracts in the front-rear direction and the bent arm part that bends in the horizontal direction as the connecting arm part, the rear stand fixing part side can be placed on the back of the wheelchair when not in use. The stand fixing portion can be easily pulled out rearward when used so that it does not get in the way by being pulled to the side or folded (bent) to the back side.

As mentioned above, although embodiment of this invention was described, in embodiment which concerns on this invention, various design changes can be performed as follows.
First, the connecting device according to the present invention connects a wheeled stand for administering various drugs and holding medical devices to a wheelchair such as an infusion stand, an oxygen cylinder stand, etc. while a patient is seated on the wheelchair. It is a connecting device that can.

In the first embodiment, the main body portion is formed from a frame body having a substantially rectangular shape in a side view. However, the shape, size, and configuration of the main body portion can be variously changed.
That is, in the above embodiment, the main body portion is formed from a quadrangular frame body. However, it may be an extremely simple plate-like body or frame body extending vertically, and at the upper and lower end portions thereof. Any fixing device may be used.
As an example, the second to fifth embodiments are illustrated.
In addition, the main body portion can be attached and fixed to the horizontal frame instead of the vertical frame on the back side of the wheelchair.

In the first embodiment, considering the strength of the extendable arm portion, the strength of the extendable arm portion is maintained by using a body portion having a certain width, that is, having a width in the front-rear direction. It is.
If the strength and the like of the telescopic arm portion can be maintained, the length of the main body portion in the front-rear direction can be reduced. Examples thereof are Embodiments 2 to 5.

The length and the like of the frame constituting the extendable arm part can be changed as necessary.
Although fixed in the above-described embodiment, the connection between the rear end portion of the telescopic arm portion and the stand fixing portion can be pivotally attached so as to be fixed.
Thus, if it can be connected and fixed so as to be pivotable by pivotal attachment, even if the vertical frame of the main body portion is in an inclined state, the stand fixing portion can be brought into a substantially vertical state.

  The fixing portions provided at the upper and lower ends of the stand fixing portion may not be the one-touch buckle type as in the above embodiment, and can be screwed with a screw using a configuration that can hold the support column portion of the wheeled stand. It may be of a type.

In the second to fifth embodiments, a bent arm portion that is bent in the horizontal direction is employed as the connecting arm portion. However, the connecting arm portion can be configured with the telescopic arm portion, and examples thereof are the third and fifth embodiments. It is an embodiment.
The lengths of the front arm portion and the rear arm portion of the bent arm portion can be designed as necessary.
It is also free to provide locking means on both shaft attachment portions.
Furthermore, with regard to the telescopic arm portion adopting the link mechanism, it is also free to add a locking means to the upper end shaft attachment portion.

  As described above, the present invention can be connected and fixed to the back side of the wheelchair, and can shrink or bend (bend) forward when the wheeled stand is not used, and can be kept small. In some cases, it has been possible to provide a connecting device that can extend and extend the telescopic arm portion or the bent arm portion backward to easily connect and fix the drip stand or the like.

2, 3, 4, 5, 10 Connecting device 11 Main body 11m, 11u Vertical frame (main body)
DESCRIPTION OF SYMBOLS 12 Telescopic arm part 13 Stand fixing | fixed part 14 Fixing means 15 Screw rod 16 Fixing part 20 Bending arm part 21 Front arm part 22 Back arm part 23 Rotating shaft part 25 Lock knob 31, 32 Horizontal frame 34 Handle 35 Lock lever K Wheelchair S drip stand P strut

Claims (9)

A connecting device for attaching and fixing a wheeled stand that can be equipped with infusion and medical equipment to a wheelchair,
A main body part, a connecting arm part connected to the rear of the main body part, and a stand fixing part for fixing a support column part of the wheeled stand connected to the rear of the connecting arm part,
The front part of the main body part is connected and fixed to one frame on the rear side of the wheelchair, and the connecting arm part can be expanded and contracted in the front-rear direction and / or bent at an intermediate part thereof. The apparatus for connecting a wheeled stand for a wheelchair, characterized in that the stand fixing part connected to the rear part can be connected and fixed to a post part of an infusion stand.   The wheeled stand connecting device for a wheelchair according to claim 1, wherein the connecting arm portion includes an extendable arm portion that expands and contracts in the front-rear direction.   The wheeled stand connecting device for a wheelchair according to claim 1, wherein the connecting arm portion is a bent arm portion bent in a horizontal direction.   The wheeled stand connecting device for a wheelchair according to claim 1, wherein the connecting arm portion includes a telescopic arm portion extending and contracting in the front-rear direction and a bent arm portion bending in the horizontal direction. The main body is connected and fixed to one longitudinal frame on the back side of the wheelchair,
This main body part is composed of a frame body having a substantially rectangular shape in a side view, and is provided with at least a pair of upper and lower fixing means on the front vertical frame, and is fixed to the one frame in the vertical direction by these fixing means,
The telescopic arm part is composed of a frame that has a link mechanism that is substantially rhombus in a side view, and is extensible back and forth.
Connect the front end of this telescopic arm to the rear vertical frame of the main body,
3. A wheelchair according to claim 2, wherein a stand fixing part comprising a frame extending vertically is connected to the rear end of the telescopic arm part, and at least a pair of upper and lower fixing parts are provided on the stand fixing part. Connecting device for wheeled stands.   A pair of upper and lower fixing means provided at the front end of the main body is connected to the main body by a screw rod, thereby fixing the vertical frame of the main body to a substantially vertical state by changing the fastening position of the screw rod. The connecting device of the wheeled stand for wheelchairs of Claim 5 characterized by the above-mentioned.   The wheel stand for a wheelchair according to claim 2, 5 or 6, wherein the stand fixing portion connected to the rear end of the telescopic arm portion is rotatably provided and fixed at the connecting portion. Stand connection device.   8. The wheeled stand connecting device for a wheelchair according to claim 1, wherein the main body portion can be fixedly attached to a longitudinal frame on the back side of the wheelchair so that the fixing position can be changed.   The wheel body stand coupling device for a wheelchair according to any one of claims 1 to 4, wherein the main body portion is composed of a single frame or bar extending vertically.